Technology Process of methyl 2-[4-benzyl-6-(3,4-dihydro-2H-1-benzopyran-6-yl)-5-oxo-2,3,4,5-tetrahydro-1,4-benzoxazepin-7-yl]-2-(tert-butoxy)acetate
There total 11 articles about methyl 2-[4-benzyl-6-(3,4-dihydro-2H-1-benzopyran-6-yl)-5-oxo-2,3,4,5-tetrahydro-1,4-benzoxazepin-7-yl]-2-(tert-butoxy)acetate which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
sodium carbonate;
tetrakis(triphenylphosphine) palladium(0);
In
water; N,N-dimethyl-formamide;
at 100 ℃;
for 16h;
Inert atmosphere;
- Guidance literature:
-
Multi-step reaction with 9 steps
1.1: dmap; N-ethyl-N,N-diisopropylamine / dichloromethane / 6 h / 0 - 20 °C / Inert atmosphere
2.1: thionyl chloride / 3 h / 85 °C
2.2: 15 h / 0 - 20 °C
3.1: hydrogenchloride / 1,4-dioxane / 20 h / 20 - 50 °C / Inert atmosphere
4.1: sodium hydride / N,N-dimethyl-formamide; mineral oil / 6 h / 0 - 20 °C / Inert atmosphere
5.1: diisobutylaluminium hydride / dichloromethane; toluene / 1.5 h / -78 °C / Inert atmosphere
5.2: -78 - 20 °C
6.1: zinc(II) iodide / dichloromethane / 4 h / 0 - 20 °C / Inert atmosphere
7.1: acetyl chloride / dichloromethane / 6 h / 0 - 20 °C / Inert atmosphere
8.1: perchloric acid / 1 h / -10 - 0 °C
9.1: sodium carbonate / tetrakis(triphenylphosphine) palladium(0) / N,N-dimethyl-formamide; water / 16 h / 100 °C / Inert atmosphere
With
hydrogenchloride; dmap; thionyl chloride; perchloric acid; sodium hydride; diisobutylaluminium hydride; sodium carbonate; N-ethyl-N,N-diisopropylamine; acetyl chloride; zinc(II) iodide;
tetrakis(triphenylphosphine) palladium(0);
In
1,4-dioxane; dichloromethane; water; N,N-dimethyl-formamide; toluene; mineral oil;
- Guidance literature:
-
Multi-step reaction with 8 steps
1.1: thionyl chloride / 3 h / 85 °C
1.2: 15 h / 0 - 20 °C
2.1: hydrogenchloride / 1,4-dioxane / 20 h / 20 - 50 °C / Inert atmosphere
3.1: sodium hydride / N,N-dimethyl-formamide; mineral oil / 6 h / 0 - 20 °C / Inert atmosphere
4.1: diisobutylaluminium hydride / dichloromethane; toluene / 1.5 h / -78 °C / Inert atmosphere
4.2: -78 - 20 °C
5.1: zinc(II) iodide / dichloromethane / 4 h / 0 - 20 °C / Inert atmosphere
6.1: acetyl chloride / dichloromethane / 6 h / 0 - 20 °C / Inert atmosphere
7.1: perchloric acid / 1 h / -10 - 0 °C
8.1: sodium carbonate / tetrakis(triphenylphosphine) palladium(0) / N,N-dimethyl-formamide; water / 16 h / 100 °C / Inert atmosphere
With
hydrogenchloride; thionyl chloride; perchloric acid; sodium hydride; diisobutylaluminium hydride; sodium carbonate; acetyl chloride; zinc(II) iodide;
tetrakis(triphenylphosphine) palladium(0);
In
1,4-dioxane; dichloromethane; water; N,N-dimethyl-formamide; toluene; mineral oil;